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Related Concept Videos

Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
Assessment of radial pulse01:11

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Bones of the Upper Limb: Radius01:09

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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a short...
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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
Bones of the Upper Limb: Ulna01:15

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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side of the...

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Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
05:31

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Published on: September 20, 2020

Anatomical considerations in transradial intervention.

Anish Chandarana1, Hemang Baxi

  • 1The Heart Care Clinic, Ahmedabad, Gujarat, India. anish.chandarana@heartcareclinic.org

Indian Heart Journal
|February 1, 2011
PubMed
Summary

The transradial approach for percutaneous coronary procedures offers fewer complications but presents technical challenges. Proper patient selection, anatomical knowledge, and specific techniques are crucial for high success rates in radial artery access.

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Area of Science:

  • Interventional Cardiology
  • Vascular Access
  • Anatomy

Background:

  • The radial artery is a preferred site for coronary procedures due to reduced access site complications compared to the transfemoral approach.
  • However, the transradial approach presents unique technical challenges, including difficulties with initial puncture, radial artery spasm, and anatomical variations.

Purpose of the Study:

  • To highlight the importance of anatomical knowledge of the radial artery for successful transradial coronary procedures.
  • To outline key strategies for overcoming technical challenges and improving success rates.

Main Methods:

  • Review of common technical challenges encountered during transradial procedures.
  • Emphasis on pre-procedure patient selection and preparation.
  • Discussion of techniques such as liberal use of dye injections and patient breathing management.

Main Results:

  • Failure to puncture the artery, radial artery spasm, and anatomical variations are identified as common causes of transradial procedure failure.
  • A meticulous and prepared approach is essential for navigating these challenges.

Conclusions:

  • Adequate anatomical information and a systematic approach are vital for achieving a high success rate in transradial coronary procedures.
  • Key factors include proper patient selection, pre-procedure preparation, gentle technique, judicious use of contrast, and adaptive problem-solving.